const phoneReg = /^[1][3,4,5,6,7,8,9][0-9]{9}$/
let phoneStr1 = '18886233487';
phoneStr1 = '19851126696';
console.log(phoneReg.test(phoneStr1));
let phoneStr2 = '17283017203897';
console.log(phoneReg.test(phoneStr2))